6780427641 has 24 divisors (see below), whose sum is σ = 10746347976. Its totient is φ = 4093839360.

The previous prime is 6780427631. The next prime is 6780427649. The reversal of 6780427641 is 1467240876.

It can be written as a sum of positive squares in 4 ways, for example, as 345179241 + 6435248400 = 18579^2 + 80220^2 .

It is not a de Polignac number, because 6780427641 - 2¹¹ = 6780425593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6780427649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 540520 + ... + 552921.

It is an arithmetic number, because the mean of its divisors is an integer number (447764499).

Almost surely, 2^6780427641 is an apocalyptic number.

It is an amenable number.

6780427641 is a deficient number, since it is larger than the sum of its proper divisors (3965920335).

6780427641 is a wasteful number, since it uses less digits than its factorization.

6780427641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093513 (or 1093510 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 6780427641 is about 82343.3521360407. The cubic root of 6780427641 is about 1892.7170537258.

The spelling of 6780427641 in words is "six billion, seven hundred eighty million, four hundred twenty-seven thousand, six hundred forty-one".